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Finding the Fourth Proportional to 201,234.60, 301,851.90 and 134,749.80

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Solution

The fourth proportional to 201,234.60, 301,851.90 and 134,749.80 is: 202,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,234.60 : 301,851.90 = 134,749.80 : x
  2. Step 2: Convert to fraction form
    201,234.60/301,851.90 = 134,749.80/x
  3. Step 3: Cross multiply
    201,234.60x = 301,851.90 × 134,749.80
  4. Step 4: Simplify right side
    201,234.60x = 40,674,483,154.62
  5. Step 5: Solve for x
    x = 40,674,483,154.62/201,234.60
  6. Step 6: Final answer
    x = 202,124.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.